Glassine

 ( Paper ) 

Glassine is a smooth and glossy paper which is air-, water-, and grease-resistant. It is usually available in densities between . It is translucent unless are added to the paper to color it or make it opaque. It is manufactured by calender: after pressing and drying, the paper web is passed through a stack of alternating steel-covered and fiber-covered rolls called a supercalender at the end of the paper machine so that the paper fibers are oriented in the same direction.

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Usage Glassine is most commonly used as a base for further silicone coating for the manufacture of release liner. Glassine is also used as an interleaving paper in bookbinding, especially to protect fine illustrations from contact with facing pages; the paper can be manufactured with a neutral pH and can prevent damage from spilling, exposure, or rubbing. Glassine adhesive tape has been used in book repair. In chemistry, glassine is used as an inexpensive weighing paper. It is applied in foodservice as a barrier between strips of products (for example: meat, and baked goods). Glassine is resistant to Fat and facilitates the separation of individual foodstuffs.

Glassine has been recommended for protecting the surface of stored acrylic paintings. The Acrylic book - A comprehensive resource for Artists Copyright Liquitex Artist Materials 2007 However, glassine will adhere to soft (not completely cured) and medium-rich paint, especially when stored for an extended period of time and it may cause permanent damage to the painted surface. Therefore, art conservators do not recommend that it be used to wrap paintings. Philately use glassine to store stamps, and are made of glassine. Stamp hinges aren't perfect, but they do help Michael Baadke Amateur insect collectors use glassine envelopes to store specimens temporarily in the field before they are mounted in a collection. Entomologists collecting for research may likewise use such envelopes to store whole specimens in the field. Glassine envelopes carry pharmacy reformulated and illicit drugs such as cocaine and heroin. Photographers used glassine sleeves for many decades to safely store their processed films. Glassine is also used to pack , as it is moisture resistant. It is used for its transparent qualities to fold origami . Glassine is an outer covering on paperboard tubes, particularly those used in model rocketry, for water protection.

In the mid-20th century, were packaged in glassine bags.Burhans, Dirk E. (2008). Crunch: A History of the Great American Potato Chip, p.33. Terrace Books, Madison Wi. . Herman Lay was a pioneer of using glassine in the potato chips industry.

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